Front Air Bag Sensor Control problems of the 1997 Toyota Celica

My daughter was involved in a very minor accident, and there was an approximately 10-15 second delay after the car was placed in park when her airbags suddenly deployed, causing minor injury to her, and more damage than the accident itself caused to her vehicle. I am concerned to know why they deployed at all considering her speed of apx 5 -7 mph,. And if there had been a high speed accident if they would have deployed in time to protect her as they are designed. The person she bumped into and passenger are witnesses to the delayed deployment, as well as the officer on scene.